For North (Winter/Spring):
- Light woolens or fleece jacket (Dec–Feb mornings can be 15°C)
- Waterproof windbreaker for Ha Long Bay cruises
- Comfortable walking shoes with good grip (slippery when wet)
- Compact umbrella or rain poncho
For Central & South (Year-round):
- Light, breathable cotton/linen clothing (temperatures 25–35°C)
- Quick-dry fabrics for humidity & sudden showers
- Modest attire for temple visits (covered shoulders/knees)
- Sun protection: hat, sunglasses, SPF 30+ sunscreen
- Reusable water bottle (tap water not safe to drink)
All Regions: Universal power adapter (Type A/C/F), Vietnamese phrase app offline pack, photocopies of passport & e-visa.